ETSI TS 138 108 V17.13.0 (2026-02)

5G; NR; Satellite Access Node radio transmission and reception (3GPP TS 38.108 version 17.13.0 Release 17)

RTS/TSGR-0438108vhd0

General Information

• Status: Not Published
• Technical Committee: 3GPP RAN 4 - Specification for radio performance
• Current Stage: 12 - Citation in the OJ (auto-insert)
• Completion Date: 24-Feb-2026

Standards Content (Sample)

TECHNICAL SPECIFICATION
5G;
NR;
Satellite Access Node radio transmission and reception
(3GPP TS 38.108 version 17.13.0 Release 17)

3GPP TS 38.108 version 17.13.0 Release 17 1 ETSI TS 138 108 V17.13.0 (2026-02)

Reference
RTS/TSGR-0438108vhd0
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5G
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ETSI
3GPP TS 38.108 version 17.13.0 Release 17 2 ETSI TS 138 108 V17.13.0 (2026-02)
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ETSI
3GPP TS 38.108 version 17.13.0 Release 17 3 ETSI TS 138 108 V17.13.0 (2026-02)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 9
1 Scope . 11
2 References . 11
3 Definitions, symbols and abbreviations . 11
3.1 Definitions . 11
3.2 Symbols . 15
3.3 Abbreviations . 16
4 General . 17
4.1 Relationship with other core specifications . 17
4.2 Relationship between minimum requirements and test requirements . 17
4.3 Requirement reference points . 17
4.3.1 SAN type 1-H . 17
4.3.2 SAN type 1-O . 18
4.4 Satellite Access Node classes . 19
4.5 Regional requirements . 19
4.6 Applicability of minimum requirements . 20
5 Operating bands and channel arrangement . 21
5.1 General . 21
5.2 Operating bands . 22
5.3 Satellite Access Node channel bandwidth . 22
5.3.1 General . 22
5.3.2 Transmission bandwidth configuration . 23
5.3.3 Minimum guardband and transmission bandwidth configuration . 23
5.3.4 RB alignment . 24
5.3.5 SAN channel bandwidth per operating band . 24
5.4 Channel arrangement . 25
5.4.1 Channel spacing . 25
5.4.1.1 Channel spacing for adjacent carriers . 25
5.4.2 Channel raster . 25
5.4.2.1 NR-ARFCN and channel raster. 25
5.4.2.2 Channel raster to resource element mapping. 26
5.4.2.3 Channel raster entries for each operating band . 26
5.4.3 Synchronization raster . 26
5.4.3.1 Synchronization raster and numbering . 26
5.4.3.2 Synchronization raster to synchronization block resource element mapping . 27
5.4.3.3 Synchronization raster entries for each operating band. 27
6 Conducted transmitter characteristics . 27
6.1 General . 27
6.2 Satellite Access Node output power . 27
6.2.1 General . 27
6.2.2 Minimum requirement for SAN type 1-H . 28
6.3 Output power dynamics . 28
6.3.1 General . 28
6.3.2 RE power control dynamic range . 28
6.3.2.1 General . 28
6.3.2.2 Minimum requirement for SAN type 1-H . 28
6.3.3 Total power dynamic range . 28
6.3.3.1 General . 28
6.3.3.2 Minimum requirement for SAN type 1-H . 29
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6.4 Transmit ON/OFF power . 29
6.5 Transmitted signal quality . 29
6.5.1 Frequency error . 29
6.5.1.1 General . 29
6.5.1.2 Minimum requirement for SAN type 1-H . 29
6.5.2 Modulation quality . 29
6.5.2.1 General . 29
6.5.2.2 Minimum Requirement for SAN type 1-H . 29
6.5.2.3 EVM frame structure for measurement . 30
6.5.3 Time alignment error . 30
6.6 Unwanted emissions . 30
6.6.1 General . 30
6.6.2 Occupied bandwidth . 30
6.6.2.1 General . 30
6.6.2.2 Minimum requirement for SAN type 1-H . 31
6.6.3 Adjacent Channel Leakage Power Ratio . 31
6.6.3.1 General . 31
6.6.3.2 Minimum requirement for SAN type 1-H . 31
6.6.4 Out-of-band emissions . 32
6.6.4.1 General . 32
6.6.4.2 Basic limits . 32
6.6.4.3 Minimum requirements for SAN type 1-H . 32
6.6.5 Transmitter spurious emis sions . 32
6.6.5.1 General . 32
6.6.5.2 Basic limits . 33
6.6.5.2.1 General transmitter spurious emissions requirements . 33
6.6.5.2.2 Protection of the own Satellite Access Node receiver . 33
6.6.5.2.3 Additional spurious emissions requirements . 33
6.6.5.2.4 Co-location with other Satellite Access Nodes . 33
6.6.5.3 Minimum requirements for SAN type 1-H . 33
6.7 Transmitter intermodulation . 34
7 Conducted receiver characteristics . 34
7.1 General . 34
7.2 Reference sensitivity level . 34
7.2.1 General . 34
7.2.2 Minimum requirements for SAN type 1-H . 34
7.3 Dynamic range . 35
7.3.1 General . 35
7.3.2 Minimum requirements for SAN type 1-H . 35
7.4 In-band selectivity and blocking . 36
7.4.1 Adjacent Channel Selectivity (ACS) . 36
7.4.1.1 General . 36
7.4.1.2 Minimum requirements for SAN type 1-H . 36
7.4.2 In-band blocking . 37
7.5 Out-of-band blocking . 37
7.5.1 General . 37
7.5.2 Minimum requirements for SAN type 1-H . 37
7.6 Receiver spurious emissions. 37
7.6.1 Void . 38
7.6.2 Void . 38
7.7 Receiver intermodulation . 38
7.8 In-channel selectivity . 38
7.8.1 General . 38
7.8.2 Minimum requirements for SAN type 1-H . 38
8 Conducted performance requirements . 39
8.1 General . 39
8.2 Performance requirements for PUSCH . 40
8.2.1 Requirements for PUSCH with transform precoding disabled . 40
8.2.1.1 General . 40
8.2.1.2 Minimum requirements . 40
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8.2.2 Requirements for PUSCH with transform precoding enabled . 41
8.2.2.1 General . 41
8.2.2.2 Minimum requirements . 42
8.2.3 Requirements for UL timing adjustment . 43
8.2.3.2 Minimum requirements . 44
8.2.4 Requirements for PUSCH repetition Type A . 45
8.2.4.1 General . 45
8.2.4.2 Minimum requirements . 46
8.3 Performance requirements for PUCCH . 47
8.3.1 DTX to ACK probability . 47
8.3.1.1 General . 47
8.3.1.2 Minimum requirement . 47
8.3.2 Performance requirements for PUCCH format 0 . 47
8.3.2.1 General . 47
8.3.2.2 Minimum requirements . 48
8.3.3 Performance requirements for PUCCH format 1 . 48
8.3.3.1 NACK to ACK requirements . 48
8.3.3.1.1 General . 48
8.3.3.1.2 Minimum requirements . 49
8.3.3.2 ACK missed detection requirements . 49
8.3.3.2.1 General . 49
8.3.3.2.2 Minimum requirements . 49
8.3.4 Performance requirements for PUCCH format 2 . 50
8.3.4.1 ACK missed detection requirements . 50
8.3.4.1.1 General . 50
8.3.4.1.2 Minimum requirements . 50
8.3.4.2 UCI BLER performance requirements . 51
8.3.4.2.1 General . 51
8.3.4.2.2 Minimum requirements . 51
8.3.5 Performance requirements for PUCCH format 3 . 52
8.3.5.1 General . 52
8.3.5.2 Minimum requirements . 52
8.3.6 Performance requirements for PUCCH format 4 . 52
8.3.6.1 General . 52
8.3.6.2 Minimum requirement . 53
8.3.7 Performance requirements for multi-slot PUCCH . 54
8.3.7.1 General . 54
8.3.7.2 Performance requirements for multi-slot PUCCH format 1 . 54
8.3.7.2.1 NACK to ACK requirements . 54
8.3.7.2.1.1 General . 54
8.3.7.2.1.2 Minimum requirements . 54
8.3.7.2.2 ACK missed detection requirements . 55
8.3.7.2.2.1 General . 55
8.3.7.2.2.2 Minimum requirements . 55
8.4 Performance requirements for PRACH . 55
8.4.1 PRACH False alarm probability . 55
8.4.1.1 General . 55
8.4.1.2 Minimum requirement . 56
8.4.2 PRACH detection requirements . 56
8.4.2.1 General . 56
8.4.2.2 Minimum requirements . 56
9 Radiated transmitter characteristics . 57
9.1 General . 57
9.2 Radiated transmit power . 57
9.2.1 General . 57
9.2.2 Minimum requirement for SAN type 1-H and SAN type 1-O . 57
9.3 OTA Satellite Access Node output power . 58
9.3.1 General . 58
9.3.2 Minimum requirement for SAN type 1-O . 58
9.4 OTA output power dynamics . 58
9.4.1 General . 58
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9.4.2 OTA RE power control dynamic range . 58
9.4.2.1 General . 58
9.4.2.2 Minimum requirement for SAN type 1-O . 58
9.4.3 OTA total power dynamic range . 58
9.4.3.1 General . 58
9.4.3.2 Minimum requirement for SAN type 1-O . 59
9.5 OTA transmit ON/OFF power. 59
9.6 OTA transmitted signal quality . 59
9.6.1 OTA frequency error . 59
9.6.1.1 General . 59
9.6.1.2 Minimum requirement for SAN type 1-O . 59
9.6.2 OTA modulation quality . 59
9.6.2.1 General . 59
9.6.2.2 Minimum requirement for SAN type 1-O . 59
9.6.3 OTA time alignment error . 59
9.7 OTA unwanted emissions . 60
9.7.1 General . 60
9.7.2 OTA occupied bandwidth . 60
9.7.2.1 General . 60
9.7.2.2 Minimum requirement for SAN type 1-O . 60
9.7.3 OTA Adjacent Channel Leakage Power Ratio (ACLR) . 60
9.7.3.1 General . 60
9.7.3.2 Minimum requirement for SAN type 1-O . 60
9.7.4 OTA out-of-band emissions . 61
9.7.4.1 General . 61
9.7.4.2 Minimum requirement for SAN type 1-O . 61
9.7.5 OTA transmitter spurious emissions . 61
9.7.5.1 General . 61
9.7.5.2 Minimum requirement for SAN type 1-O . 61
9.7.5.2.1 General . 61
9.7.5.2.2 General OTA transmitter spurious emissions requirements . 62
9.7.5.2.3 Protection of the SAN receiver . 62
9.7.5.2.4 Additional spurious emissions requirements . 62
9.8 OTA transmitter intermodulation . 62
10 Radiated receiver characteristics . 62
10.1 General . 62
10.2 OTA sensitivity . 63
10.2.1 General . 63
10.2.2 Minimum requirement for SAN type 1-H and SAN type 1-O . 64
10.3 OTA reference sensitivity level . 64
10.3.1 General . 64
10.3.2 Minimum requirement for SAN type 1-O . 64
10.4 OTA dynamic range . 65
10.4.1 General . 65
10.4.2 Minimum requirement for SAN type 1-O . 65
10.5 OTA in-band selectivity and blocking. 66
10.5.1 OTA adjacent channel selectivity . 66
10.5.1.1 General . 66
10.5.1.2 Minimum requirement for SAN type 1-O . 66
10.5.2 OTA in-band blocking . 67
10.6 OTA out-of-band blocking . 67
10.6.1 General . 67
10.6.2 Minimum requirement for SAN type 1-O . 67
10.6.2.1 General minimum requirement . 67
10.7 OTA receiver spurious emissions . 68
10.7.1 Void . 68
10.7.2 Void . 68
10.8 OTA receiver intermodulation . 68
10.9 OTA in-channel selectivity. 68
10.9.1 General . 68
10.9.2 Minimum requirement for SAN type 1-O . 68
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11 Radiated performance requirements . 69
11.1 General . 69
11.1.1 Scope and definitions . 69
11.1.2 OTA demodulation branches . 70
11.2 Performance requirements for PUSCH . 70
11.2.1 Requirements for PUSCH with transform precoding disabled . 70
11.2.2 Requirements for PUSCH with transform precoding enabled . 70
11.2.3 Requirements for UL timing adjustment . 71
11.2.4 Requirements for PUSCH repetition Type A .
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